Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 200 ppm 150 ppm 50 ppm 100 ppm 200 ppm 150 ppm 50 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m 150 m to 300 m 100 m to 150 m 50 m to 100 m 25 to 50 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline It is acidic It is neutral None of these It is alkaline It is acidic It is neutral None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most effective arrangement for diverting excess storm water into a natural drainage, is None of these Overflow weir Leaping weir Siphon spill way None of these Overflow weir Leaping weir Siphon spill way ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Length of the tank is normally kept 4 to 5 times the width ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
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